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प्रश्न
Name the main types of rocks.
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उत्तर
On the basis of their mode of formation, rocks are divided into three types :
- Igneous rocks
- Sedimentary rocks
- Metamorphic rocks.
संबंधित प्रश्न
Fill in the blank
Conglomerate is an example of _____________ rocks.
Fill in the blank
Sedimentary rocks such as limestone change into ___________.
Write True or False. Rewrite the false statement correctly :
Igneous and sedimentary rocks can change into metamorphic rocks.
Give two examples of metamorphic rocks.
State the types of rocks for the formation of which the following process is involved.
Formation of large crystals, coarse texture and slow cooling and compaction.
Classify the igneous rocks on the basis of their place of origin.
Give some examples of metamorphic rocks formed from sedimentary and igneous rocks.
Fill in the blanks
______ rock contain a low percentage of silica and a high percentage of basic oxides.
Give one term for the following statement:
Fine grained metamorphic rock, generally produced by the low grade metamorphism of shale.
Give one term for the following statement:
Type of metamorphism in which changes are caused due to high pressure.
Find the difference between:
Igneous and sedimentary rocks
Choose the incorrect statement from the following.
Mention a few specimens of magnificent rock-cut architecture in India?
What are metamorphic rocks?
Minerals exist in nature ¡n the form of ______ or ______.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
